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Review exam 4 - Structure & Function

Authored by Kimberly Kellett

Biology

University

26 Questions

NGSS covered

Used 7+ times

Review exam 4 - Structure & Function
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best describes the structure of connective tissue?

Tightly packed layer of living cells

A matrix (scaffold-like) system of living & non-living cells

Cells with very long "arms" that extend out to reach one another

long, thin cells that "contract" when signals are received

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT true about the signals sent by the nervous system?

They take a few minutes or more to travel and take effect in the body

They tend to have localized effects on targeted groups of cells

They are comprised of electrical impulses and chemical signals

They may participate in regulatory feedback loops within the body

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The feedback loops that regulate blood sugar levels in the body via release of insulin or glucagon are:

positive feedback loops

negative feedback loops

One is positive and one is negative

Tags

NGSS.HS-LS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A poikilotherm is an animal that:

Gains most of its body heat from internal processes

Gains most of its body heat from the external environment

Has a body temperature that fluctuates widely

Maintains a relatively constant body temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT true about vasodilation?

It may happen if you go outside on a very hot summer day

It may happen if you go for a jog or run

It helps increase blood pressure

It acts to widen blood vessels

Tags

NGSS.HS-LS1-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does blood go after leaving the left ventricle in a human heart?

Into the pulmonary artery

Into the pulmonary vein

Into the aorta

Into the left atrium

Into the right ventricle

7.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

Which phase of the cardiac cycle is the longest, and allows blood to flow INTO the heart?

Atrial systole and ventricular diastole

Atrial diastole and ventricular systole

Atrial & ventricular systole

Atrial and ventricular diastole

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